Process for the production of colorful and figurative designs of

Details Process for the production of colorful and figurative designs of Process for the production of colorful and figurative designs of

1981-02-23

1982-10-05

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing process utilizing electric, magnetic, or wave energy;...

430332, D06P 520

Patent

active

043526721

ABSTRACT:
A process for the production of colorful and figurative designs of shaped synthetic-resin articles with the use of colorants, involves the step of coloring a shaped article formed of a synthetic resin at least partially with a colorant that changes color by being exposed to ionizing rays and the step of exposing the article to ionizing rays in selected zones corresponding to the figurative design until color changes are achieved.

REFERENCES:
patent: 3056673 (1962-10-01), Wainer
patent: 3306748 (1967-02-01), Chalkley
patent: 3386829 (1968-04-01), Newland
patent: 3517192 (1970-06-01), Kinoshita et al.
patent: 3957513 (1976-05-01), Kobayashi et al.
patent: 4001587 (1977-01-01), Panchenkov et al.
patent: 4029506 (1977-06-01), Dessauer

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